package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.constants.message.UpdateArticleMess;
import com.heima.model.behavior.dto.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Slf4j
@Service
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {


    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    RabbitTemplate rabbitTemplate;

    /**
     * 保存阅读行为
     * @param dto
     * @return
     */
    @Override
    public ResponseResult look(ReadBehaviorDTO dto) {
        //TODO 参数校验
        ApUser user = AppThreadLocalUtils.getUser();
        //todo 查询实体
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.
                findByUserIdAndEquipmentId(user == null ? null : user.getId(),
                dto.getEquipmentId());
        if (apBehaviorEntry==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"获取行为实体信息失败");
        }
        //3. 查询指定文章阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApReadBehavior apReadBehavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if (apReadBehavior==null){
            // 不存在    新增阅读行为
            apReadBehavior = new ApReadBehavior();
            apReadBehavior.setEntryId(apBehaviorEntry.getId());
            apReadBehavior.setArticleId(dto.getArticleId());
            apReadBehavior.setCount((short)1);
            apReadBehavior.setCreatedTime(new Date());
            apReadBehavior.setUpdatedTime(new Date());
            mongoTemplate.save(apReadBehavior);
        }else {
            //存在     更新阅读次数
            apReadBehavior.setCount((short)(apReadBehavior.getCount()+1));
            mongoTemplate.save(apReadBehavior);
        }

        //TODO **********阅读行为MQ**************
        UpdateArticleMess updateArticleMess = new UpdateArticleMess();
        updateArticleMess.setType(UpdateArticleMess.UpdateArticleType.VIEWS);
        updateArticleMess.setArticleId(dto.getArticleId());
        updateArticleMess.setAdd(1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE,
                JSON.toJSONString(updateArticleMess));
        log.info("阅读行为 发送消息 ==>{}",updateArticleMess);
        return ResponseResult.okResult();
    }
}
